3 Carat Marquise Lab-Grown Diamonds

Shop certified 3 carat marquise lab-grown diamonds at William & Sons Jewelers. Every stone is graded by IGI or GIA, shown in 360°, priced below the big online retailers and ships free.

All 3 Carat Marquise Lab-Grown Diamonds – Page 190

11,587 certified 3 carat marquise lab-grown diamonds in stock. Every stone ships free with its grading report; open any listing for the 360° view, full certificate and price.

  1. 3.07 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG841653501$963
  2. 3.07 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG841653502$963
  3. 3.07 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG842619478$641
  4. 3.02 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG844629588$577
  5. 3.01 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG844629589$575
  6. 3.02 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG844629594$577
  7. 3.02 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG844634290$617
  8. 3.51 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG847664547$624
  9. 3.03 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG847685864$902
  10. 3.01 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG847685865$896
  11. 3.01 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG849651779$547
  12. 3.04 Carat Marquise Lab-Grown Diamond, D IF, IGI LG843654638$3,011
  13. 3.01 Carat Marquise Lab-Grown Diamond, E VS2, IGI LG844656777$539
  14. 3.02 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG844668295$571
  15. 3.00 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG844668335$573
  16. 3.05 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846639374$727
  17. 3.02 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG847609335$567
  18. 3.05 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG801673724$878
  19. 3.53 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG841688191$669
  20. 3.08 Carat Marquise Lab-Grown Diamond, D IF, IGI LG843654624$2,946
  21. 3.01 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG843688527$1,039
  22. 3.08 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG844656768$500
  23. 3.06 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG844656771$636
  24. 3.11 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG742522452$837
  25. 3.51 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG843651037$984
  26. 3.06 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG844656756$559
  27. 3.02 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG844656775$496
  28. 3.00 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG844656778$547
  29. 3.09 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG844657918$1,193
  30. 3.01 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG844673141$616
  31. 3.79 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG844678857$613
  32. 3.08 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG846643428$861
  33. 3.36 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG846643435$937
  34. 3.55 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG846643454$1,018
  35. 3.29 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG846643486$1,131
  36. 3.65 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG846691059$1,046
  37. 3.03 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG846691061$1,040
  38. 3.11 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG847638887$816
  39. 3.05 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG847638912$802
  40. 3.01 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG847653813$1,049
  41. 3.02 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG840627520$633
  42. 3.04 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG845609065$637
  43. 3.03 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG845609041$635
  44. 3.55 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG845609025$770
  45. 3.57 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846660267$774
  46. 3.02 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG840627425$633
  47. 3.05 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG840627573$639
  48. 3.04 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG764672561$1,004
  49. 3.70 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG843654637$812
  50. 3.04 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG844673133$850
  51. 3.21 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG844678794$655
  52. 3.09 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846642867$605
  53. 3.07 Carat Marquise Lab-Grown Diamond, F VVS1, IGI LG846643451$648
  54. 3.05 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG846643468$853
  55. 3.24 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG847638916$850
  56. 3.01 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG848621731$554
  57. 3.01 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG825642662$725
  58. 3.59 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG830619891$729
  59. 3.50 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG831687683$711
  60. 3.01 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG841654126$676